Reproductive System, Part 2 - Male Reproductive System: Crash Course Anatomy & Physiology #41
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YouTubeCrashCourse
Reproductive System, Part 2 - Male Reproductive System: Crash Course Anatomy & Physiology #41
Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it’s influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they leave the body on a tide of glandular secretions during ejaculation. Pssst... we made flashcards to help you ...
3.2M viewsNov 9, 2015
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627K views · 2.9K reactions | L'île de Tahuata offre un spectacle fascinant : des hordes de chevaux semi-sauvages dévalant les plaines en toute liberté. Avec The Explorers | Brut nature FR | Facebook
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627K views · 2.9K reactions | L'île de Tahuata offre un spectacle fascinant : des hordes de chevaux semi-sauvages dévalant les plaines en toute liberté. Avec The Explorers | Brut nature FR | Facebook
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